/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

var List = require("../../data/List");

var Graph = require("../../data/Graph");

var linkList = require("../../data/helper/linkList");

var createDimensions = require("../../data/helper/createDimensions");

var CoordinateSystem = require("../../CoordinateSystem");

var createListFromArray = require("./createListFromArray");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
function _default(nodes, edges, seriesModel, directed, beforeLink) {
    // ??? TODO
    // support dataset?
    var graph = new Graph(directed);

    for (var i = 0; i < nodes.length; i++) {
        graph.addNode(
            zrUtil.retrieve(
                // Id, name, dataIndex
                nodes[i].id,
                nodes[i].name,
                i
            ),
            i
        );
    }

    var linkNameList = [];
    var validEdges = [];
    var linkCount = 0;

    for (var i = 0; i < edges.length; i++) {
        var link = edges[i];
        var source = link.source;
        var target = link.target; // addEdge may fail when source or target not exists

        if (graph.addEdge(source, target, linkCount)) {
            validEdges.push(link);
            linkNameList.push(
                zrUtil.retrieve(link.id, source + " > " + target)
            );
            linkCount++;
        }
    }

    var coordSys = seriesModel.get("coordinateSystem");
    var nodeData;

    if (coordSys === "cartesian2d" || coordSys === "polar") {
        nodeData = createListFromArray(nodes, seriesModel);
    } else {
        var coordSysCtor = CoordinateSystem.get(coordSys);
        var coordDimensions =
            coordSysCtor && coordSysCtor.type !== "view"
                ? coordSysCtor.dimensions || []
                : []; // FIXME: Some geo do not need `value` dimenson, whereas `calendar` needs
        // `value` dimension, but graph need `value` dimension. It's better to
        // uniform this behavior.

        if (zrUtil.indexOf(coordDimensions, "value") < 0) {
            coordDimensions.concat(["value"]);
        }

        var dimensionNames = createDimensions(nodes, {
            coordDimensions: coordDimensions,
        });
        nodeData = new List(dimensionNames, seriesModel);
        nodeData.initData(nodes);
    }

    var edgeData = new List(["value"], seriesModel);
    edgeData.initData(validEdges, linkNameList);
    beforeLink && beforeLink(nodeData, edgeData);
    linkList({
        mainData: nodeData,
        struct: graph,
        structAttr: "graph",
        datas: {
            node: nodeData,
            edge: edgeData,
        },
        datasAttr: {
            node: "data",
            edge: "edgeData",
        },
    }); // Update dataIndex of nodes and edges because invalid edge may be removed

    graph.update();
    return graph;
}

module.exports = _default;
